Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

Our Solar System is home to many unique planetary bodies, including protoplanets and dwarf planets. Here are the unique traits that differentiate the two.

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

Ceres, the only dwarf planet in our inner solar system, is covered in ice and salt deposits. Its daytime temperatures range from a frigid minus 136 degrees to minus 28 degrees Fahrenheit. “Looking at ...

Using Pluto as an example, this celestial body, once considered the ninth planet, was redefined as a dwarf planet in 2006.

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of confirmed dwarf planets and their moons. From left to right: Pluto (with ...

Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits, and cosmic curiosities. These are the dwarf planets—small but mighty members of our solar system that ...

Family, today I want to talk to you about something super interesting. Recently, scientists discovered some objects near the orbit of a dwarf planet that look like structures, sparking everyone's ...

Methane gas may signal an atmosphere or geological activity on a distant dwarf planet located at the outer edge of the Solar ...

Hubble discovered a white dwarf planet devouring a Pluto-like object, revealing debris rich in water and nitrogen.

Spots were speculated to be everything from alien cities to geysers. — -- Scientists have finally cracked the mystery of the unexplained lights on the dwarf planet Ceres that were speculated to ...

A strange cosmic object nicknamed “The Accident” has given scientists their first glimpse of a rare silicon-based molecule ...